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Tvrtko 303

Active

Zea mays L. subsp. mays (Maize Group) Maize · Agricultural · bred by Poljoprivredni Institut Osijek, HR

also searched as: твртко 303

Variety description

10 August 2026

The hybrid belongs to the FAO 300 maturity group, has a semi-dent grain type, sometimes classified as flint. The plant is characterized by medium height, a strong stalk, and high resistance to diseases and pests. The ear is elongated, of regular shape, and contains 16–18 rows of kernels.

The primary purpose of the hybrid is grain production for the needs of the livestock and food industries. The recommended sowing density is about 79 000 plants per hectare with a seed spacing of 18 cm in the row. When using biomass for silage, the specifics of microelement accumulation in the leaves should be taken into account.

Sources5
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Countries of admission

2 jurisdictions

Green indicates countries where the variety is listed in the national catalogue and its seeds are authorized for sale. Expired registrations are marked separately: the variety was previously admitted, but sale is no longer permitted.

QZ

active no record

Variety in registries Regions of admission, rights holders, and status of plant breeders' rights

Parties

Breeder
Poljoprivredni institut Osijek (HR) 752 Developed the variety
Applicant
Poljoprivredni institut Osijek (HR) 752 Submitted the application to the register
Maintainer
Poljoprivredni institut Osijek (HR) 752 Responsible for variety maintenance

Admission to trade

The variety is listed in the national registry — its seeds are authorized for sale in this country.

  • HR Croatia Active

    № 1003309

  • QZ European Union Active

    № 245583

    Registration
    19 May 2011

Records are sourced from official registry publications. Data sources and legal status

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This is a directory, not an official registry: data is based on public disclosures and may have changed. More about sources

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Nearby in the species list Tur, Turbo, Turini, Turquoise, TURRADO, Tursac, Tustéa, Tuxxeo, Tuy, TVRTKO 202, TW 9, TW812HD, TWB08BC, TWD54CC, TWE75BC, Twin, Twingo, Twitto, TXP 258 L, TXP 260 D

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